One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,4,5)(3,6,7,8)(17,18)(19,25)(20,22)(21,29)(23,27)(24,28)(26,32)(30,31)(2,5)(6,8)(9,10,12,14)(11,15,16,13)(18,22)(23,31)(24,29)(25,32)(1,3)(2,6)(4,7)(5,8)(9,11,12,16)(10,13,14,15)(17,19)(18,23)(20,26)(21,30)(22,31)(24,32)(25,29)(27,28)(3,7)(6,8)(19,26)(21,28)(23,31)(24,29) involution — undirectedA Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.